INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7fe5eeef70d97593415d05abf34808a21b746d188b612d07e97b809b122154d', 
    '3hv8//eeYV1arI/DaUWPs+QN9qGWwv6OsMnzU+wC5DM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)